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Question
Find the M.P. if S.P. = Rs 9,250 and discount = `7 1/2%`
Solution
Selling price (SP) = Rs 9250
Discount % = `7 1/2% = 15/2%`
Let marked price be Rs x.
∴ Selling price = `"Marked price" - ("Discount" %)/100 xx "MP"`
⇒ `9250 = x - 15/(2 xx 100) xx x`
⇒ `9250 = (200x - 15x)/200`
⇒ `9250 = (185x)/200`
⇒ `x = (9250 xx 200)/185` ...[By cross-multiplication]
⇒ `x = 1550000/185 = Rs 10000`
Hence, the market price = Rs 10000.
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